tablica mnozenja


<!DOCTYPE html>
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<html>
    <head>
        <meta charset="UTF-8">
        <title>Tablica mnozenja</title>
    </head>
    <style>
        table, th, tr {
        border: 1px solid black;
        border-collapse: collapse;
        }
        th, td {
        padding: 5px;
        text-align: center;
        }
    </style>
    <body>

        <form action="index.php" method="post">
            <p>Unesite opseg tablice mnozenja</p>
            <p>Broj: <input type="number" name="broj" /></p>
            <p><input type="submit" name="submit" value="Upisi" /></p>
        <?php
        if(!empty($_POST["broj"])) {

            $broj = $_POST["broj"];
            echo '<table border="1">';
            for($a = 1; $a <= $broj; $a++) {
            $rez = $a * $broj;

                echo "<tr>";
                echo "<td>";
                echo $broj;
                echo "<td>";
                echo "X";
                echo "<td>";
                echo $a;
                echo "<td>";
                echo "=";
                echo "<td>";
                echo $rez;
                echo "</tr>";

            }

        }
        ?>
    </body>
</html>